... We have Production Dept.,Sales Dept.,International Trade Dept.,D&R Dept.,Finance Dept.,Comprehensive Dept.,Business Expending Dept.and consultant ... such as brass, bronze, Monel metal (copper-nickel alloy), copper-aluminum alloys (aluminum bronze), or copper-beryllium alloys (beryllium bronze). Commonly used hand ... , drilling crew and so on. TRADE FAIR Water Test Ruler (Copper Rod Type,Cooper Tube Type)